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Name: PCA9547PW118
Brand: NXP USA Inc.
SKU: PCA9547PW118
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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NXP USA Inc. PCA9547PW118

Part No.:: PCA9547PW118

Manufacturer:: NXP USA Inc.

Package:: -

Datasheet:: PCA9547PW118.pdf

Description:: IC MUX 8CH I2C BUS 24TSSOP

In Stock:: 3213

Quantity:: Add To Cart

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PCA9547PW118 Specifications

Package/Case:
-
Packaging:
Bulk
Series:
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ProductStatus:
Active
Type:
-
Applications:
-
MountingType:
-

PCA9547PW118 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PCA9547PW118 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PCA9547PW118 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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PCA9547PW118 information

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PCA9547PW118 Typical application Circuitry

PCA9547PW118

PCA9547PW118 is an 8-channel I²C-bus multiplexer with reset from NXP Semiconductors, designed to switch between multiple I²C devices or I²C buses using a single I²C-bus connection.

Application Scenarios

A relevant application for the PCA9547PW118 is in server management systems, where it enables the connection and control of multiple temperature sensors across different server blades using a single I²C master.

Parameter Features

- Voltage Range: Operates over a wide range from 2.3V to 5.5V, making it compatible with various logic levels.

- I²C Interface: Supports standard I²C-bus protocols and can interface with multiple I²C devices/slaves.

- Channel Selection: 8 selectable channels allow for the connection of up to 8 I²C slave devices or bus segments.

- Reset Function: Includes a hardware reset pin that resets the multiplexer in case of a fault or during system initialization.

Detailed Circuit Connection - Server Temperature Monitoring System

1. I²C Bus Connection

Firstly, connect the SDA and SCL pins of the PCA9547PW118 to the SDA and SCL lines of the server's main I²C bus, which is controlled by the server's central management microcontroller. This setup forms the backbone for data communication.

2. Power Supply and Grounding

Secondly, ensure the VDD pin of PCA9547PW118 is connected to a stable power source within the 2.3V to 5.5V range, and the VSS pin is connected to the ground. This guarantees stable operation of the device.

3. Channel Activation

Thirdly, to select one of the 8 channels, apply the appropriate logic level to the A0, A1, and A2 address pins of PCA9547PW118. For example, setting A0 to 'High', A1 and A2 to 'Low' selects channel 1.

4. Connecting Temperature Sensors

Lastly, connect the SDA and SCL lines from each of the eight channels on the PCA9547PW118 to different temperature sensors located on various server blades. This allows for individual access to each sensor via the multiplexer.

Circuit Design Considerations

- Address Configuration: Carefully configure the address pins (A0, A1, A2) of PCA9547PW118 to avoid conflicts with other I²C devices on the main bus, especially in systems with multiple I²C multiplexers.

- Signal Integrity: Pay attention to the layout of the I²C bus to ensure signal integrity, especially when extending the bus over longer distances or connecting multiple devices.

- Power Stability: Incorporate decoupling capacitors near the VDD pin of PCA9547PW118 to stabilize the power supply and minimize noise.

- Reset Management: Implement a mechanism to control the RESET pin of PCA9547PW118, ensuring the multiplexer can be reliably reset during system initialization or fault recovery.

By addressing these considerations, the PCA9547PW118 can be effectively employed in server management systems to facilitate precise monitoring and control over multiple temperature sensors across different server blades, enhancing the overall reliability and efficiency of the system.

PCA9547PW118 FAQ

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6. What is the process for return or replacement of PCA9547PW118?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PCA9547PW118 we delivered, we will accept the replacement or return of the PCA9547PW118 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PCA9547PW118.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations